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E. B. BEACH. Sight for Fire-arms.

No. 63,690. Patented April 9. I867 wzm s M, m...

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TO ALL WHOM HMAY CONCERN:

v Be it' know that}, EDGAR B. Bmomof .Wcst Meriden, in the countyof New Haven, and State of Conneccicut, have invented a new Improvement in Rifle Sight, and Idofhcreby declare the following, when taken ineonnection with'the eccompanying drawings and the letters of reference marked thereon, to=he a full, clear, and exoctidescription of the same, and which said drawings constitute part of this specification, and represent, iu-

Figure] atop siengshowing the sight as open.

a side view of the some.

Figure 3, :1 ton vicng'showing the some sight turned up as a covered sight; and in Figure 4, a side View of the same. 7

This invcntion'relntes to an improvement in sights for rifles, whereby the sight may he changed at pleasure from open to covered, or vice versa, without-removing the sight from the barrel, and consists in the combination of an open and covered eight arranged so that either one or the other may be used at pleasure. Heretoforc sights have been made either open or covcred,-and when it is-dcsired to change the sight from one to the other, it is necessary to remove the one before thenther can be attached. This causes thetrouble of adjustment at every change,.-aml necessitates several shots to make the adjustment. By mj invention this difficulty is entirely overcome; and to enahie others skilled in the art to construct and use my improvemehfl'l drill proceed to describe the same, as illustrated in theaccompanying drawings. V V A}: the horrei of an ordinary rifle, B the slide, to which the sight is fixd,'and is attached to the barrel by ntransverse dovetail groove in the usual manner, so as, to be adjusted to the right or left. Near the centre of the said slide is formed a spring hinge, to which the open sight "(I and the covered eight c are fixed, so that the covered sight being down, as in figs.'1 and 2, the open sight is up, and is held inthat position by a spring beneath, or any equivalent therefor. If at any: time the sportsman desires to change from the open to the covered sight, as seen in figs. 3 and 4, (the hinge permitting him soto (10,) in which movement the open sight is.

turned down, and the sights stand in the'position as seen in figs.'3 and 4; the head is fixed within the cover in the usual thinner, and so as to correspoadp'rccisely with the open sight, so that the adjustment of one is the adjustment of both, and the change from one to the other in' no wayafi'ects the adjustment; thus the sportsman has upon his arm at pleasure either a covered oropen sight.

Having, therefore, thus fully described my invention, what I claim as new and useful, andidesire to secure 'by Letters Patent, is-

The combination of the covered eight 0, and opea sight d, constructed and arranged so as to be changed to present citherthc one or the other, substantially in the manner described.

EDGAR B. BEACH. Witnesses:

A. J. 1mm, .Jomt H. Smmwsr. 

